S3B1. Knows that reproduction is a characteristic of all living things and is essential to all living things.

Question: A reproduction is a characteristic of all living things. Example, there was earthworm, if earthworm did not reproduce they will be no more earthworm.

S3B2. Knows that for sexually reproducing organisms, a species comprises all organisms that can mate with one another to produce fertile offspring.

S3B3. Understands asexual and sexual reproduction (e.g. in terms of how traits are passed to offspring- heredity, and the advantages/disadvantages of both).

Question: Asexual is not produce all of things, sexual is can produce things.